In Architecture without Architects, Bernard Rudofsky presents this example of a Pakistan city, Hyperabad Sind where a bunch of unique air-conditionners:
These unusual roofscapes are a prominent feature of the lower Sind district in West Pakistan. From April to June, temperatures range above 120°F, lowered vy an atternoon breeze to a pleasant 95°. To channel the wind into every building, "bad-gir", windscoops are installed on the roofs, one to each room. Since the wind always blowns from the same direction, the position of the windscoops is permanently fixed. In multistoried houses they reach all the way down, doubling as intramural telephones. Although the origin of this contraption is unknown, it has been in use for at least five hundred years.